Marion Cotillard wore a strapless Dior gown with eye-catching color blocks of blue, yellow, black and pink on a white background to the Cannes Film Festival premiere of "Blood Ties" on Monday. The dress was shown Saturday in Monaco as part of Dior's Cruise Collection 2014 — a fashion show attended by Cotillard, Jessica Biel and Ruth Wilson, among others. [Hollywood Reporter]

Cotillard's hair was done up in a 1960s style beehive by Robert Vetica. [E Online]

Beyoncé invited photographers in to photograph her during a Mrs. Carter tour performance over the weekend, hoping the tight catsuit she was wearing would dispel pregnancy rumors. [The Cut]

More proof that I'm right when I preach "Don't get a tattoo," which I frequently do: Men perceive women with tattoos as being less attractive but more promiscuous than those who are tat-free, and are more likely to approach them — and they approach more quickly too — according to research by psychologist Nicolas Guéguen of the Université de Bretagne-Sud. [Psychology Today]

This year's Red Carpet Green Dress, designed by Michael Badger and worn by "Skyfall" actress Naomie Harris to the Academy Awards in February, is scheduled to be on display this weekend at Hampton Court Palace in London, according to a news release. Twenty-two team members from the Royal School of Needlework logged over 600 hours of hand embroidery on the gown — for a more ecologically sustainable form of manufacture than machinery.

Former Sheseido Chief Executive Morio Ikeda has died at age 76 of kidney cancer. [WWD] (Subscription required.)

Taco Bell reportedly has sent two gold rings with lettering spelling "taco" on one, "bell" on the other, to swimsuit model Chrissy Teigen and several other models and actresses with handwritten notes — hoping, of courses, for the free promotion if the rings are worn. [Racked]